GooFit::BinnedDataSet Class Reference

#include <BinnedDataSet.h>

Inheritance diagram for GooFit::BinnedDataSet:

Public Member Functions
	BinnedDataSet (const Observable &var, std::string n="")
	BinnedDataSet (const std::vector< Observable > &vars, std::string n="")
	BinnedDataSet (const std::set< Observable > &vars, std::string n="")
	BinnedDataSet (std::initializer_list< Observable > vars, std::string n="")
	~BinnedDataSet () override=default
void	addEvent () override
void	addWeightedEvent (double weight) override
fptype	getBinContent (size_t bin) const
	Get the content of a bin. More...
fptype	getBinCenter (size_t ivar, size_t bin) const
fptype	getBinCenter (const Observable &var, size_t bin) const
fptype	getBinSize (size_t ivar) const
	Get the size of a bin. More...
size_t	getBinNumber () const
fptype	getBinVolume (size_t bin) const
fptype	getBinError (size_t bin) const
std::vector< size_t >	getDiminsions () const
	Get the size of each diminsion. More...
size_t	getNumBins () const
fptype	getNumWeightedEvents () const
	This includes weights. More...
void	setBinContent (unsigned int bin, fptype value)
void	setBinError (unsigned int bin, fptype value)
Public Member Functions inherited from GooFit::DataSet
	DataSet (const Observable &var, std::string n="")
	DataSet (const std::vector< Observable > &vars, std::string n="")
	DataSet (const std::set< Observable > &vars, std::string n="")
	DataSet (std::initializer_list< Observable > vars, std::string n="")
virtual	~DataSet ()=default
template<typename... Args>
void	addEvent (fptype value, Args... args)
	This is a helper that allows multiple values to be passed in instead of relying on the content of the Variables. More...
const std::vector< Observable > &	getObservables () const
size_t	numVariables () const
size_t	getNumEvents () const
std::string	getName () const

Additional Inherited Members
Protected Member Functions inherited from GooFit::DataSet
std::vector< fptype >	getCurrentValues () const
size_t	indexOfVariable (const Observable &var) const
void	checkAllVars () const
	Throw an error if any variables are out of range, call in addEvent. More...
Protected Attributes inherited from GooFit::DataSet
size_t	numEventsAdded {0}
std::vector< Observable >	observables

Detailed Description

Definition at line 10 of file BinnedDataSet.h.

Constructor & Destructor Documentation

BinnedDataSet() [1/4]

GooFit::BinnedDataSet::BinnedDataSet	(	const Observable &	var,
		std::string	n = ""
	)

Definition at line 12 of file BinnedDataSet.cpp.

References getNumBins().

    : DataSet(var, n) {
    collectBins();
    binvalues.resize(getNumBins());
}

BinnedDataSet() [2/4]

GooFit::BinnedDataSet::BinnedDataSet	(	const std::vector< Observable > &	vars,
		std::string	n = ""
	)

Definition at line 18 of file BinnedDataSet.cpp.

References getNumBins().

    : DataSet(vars, n) {
    collectBins();
    binvalues.resize(getNumBins());
}

BinnedDataSet() [3/4]

GooFit::BinnedDataSet::BinnedDataSet	(	const std::set< Observable > &	vars,
		std::string	n = ""
	)

Definition at line 24 of file BinnedDataSet.cpp.

References getNumBins().

    : DataSet(vars, n) {
    collectBins();
    binvalues.resize(getNumBins());
}

BinnedDataSet() [4/4]

GooFit::BinnedDataSet::BinnedDataSet	(	std::initializer_list< Observable >	vars,
		std::string	n = ""
	)

Definition at line 30 of file BinnedDataSet.cpp.

References getNumBins().

    : DataSet(vars, n) {
    collectBins();
    binvalues.resize(getNumBins());
}

~BinnedDataSet()

GooFit::BinnedDataSet::~BinnedDataSet ( )

overridedefault

Member Function Documentation

addEvent()

void GooFit::BinnedDataSet::addEvent ( )

overridevirtual

Implements GooFit::DataSet.

Definition at line 36 of file BinnedDataSet.cpp.

References GooFit::DataSet::checkAllVars(), getBinNumber(), and GooFit::DataSet::numEventsAdded.

Referenced by makeBackgroundHistogram(), and makeBkg3Eff().

                             {
    checkAllVars();
    size_t ibin = getBinNumber();
    binvalues.at(ibin) += 1;
    numEventsAdded++;
}

addWeightedEvent()

void GooFit::BinnedDataSet::addWeightedEvent ( double  weight )

overridevirtual

Reimplemented from GooFit::DataSet.

Definition at line 43 of file BinnedDataSet.cpp.

References GooFit::DataSet::checkAllVars(), getBinNumber(), GooFit::DataSet::numEventsAdded, and GooFit::DataSet::observables.

Referenced by loadDataFile().

                                                  {
    checkAllVars();
    size_t ibin = getBinNumber();
    binvalues.at(ibin) += weight;
    numEventsAdded++;
}

getBinCenter() [1/2]

fptype GooFit::BinnedDataSet::getBinCenter	(	size_t	ivar,
		size_t	bin
	)		const

Definition at line 92 of file BinnedDataSet.cpp.

References getBinSize(), and GooFit::DataSet::observables.

Referenced by getBinCenter(), and getBinContent().

                                                                {
    std::vector<size_t> locals = globalToLocal(bin);
    size_t localBin            = locals.at(ivar);

    fptype ret = getBinSize(ivar);
    ret *= (localBin + 0.5);
    ret += observables[ivar].getLowerLimit();
    return ret;
}

getBinCenter() [2/2]

fptype GooFit::BinnedDataSet::getBinCenter	(	const Observable &	var,
		size_t	bin
	)		const

Definition at line 102 of file BinnedDataSet.cpp.

References getBinCenter(), and GooFit::DataSet::indexOfVariable().

                                                                          {
    size_t ivar = indexOfVariable(var);
    return getBinCenter(ivar, bin);
}

getBinContent()

fptype GooFit::BinnedDataSet::getBinContent ( size_t  bin ) const

inline

Get the content of a bin.

Definition at line 26 of file BinnedDataSet.h.

References getBinCenter(), getBinError(), getBinNumber(), getBinSize(), and getBinVolume().

Referenced by makeBackgroundHistogram().

{ return binvalues.at(bin); }

getBinError()

fptype GooFit::BinnedDataSet::getBinError

(

size_t

bin

)

const

Definition at line 121 of file BinnedDataSet.cpp.

Referenced by getBinContent().

                                                  {
    if(0 == binerrors.size())
        return sqrt(binvalues.at(bin));

    return binerrors.at(bin);
}

getBinNumber()

size_t GooFit::BinnedDataSet::getBinNumber

(

)

const

Definition at line 58 of file BinnedDataSet.cpp.

References GooFit::DataSet::getCurrentValues(), and GooFit::DataSet::observables.

Referenced by addEvent(), addWeightedEvent(), and getBinContent().

                                         {
    std::vector<fptype> vals   = getCurrentValues();
    std::vector<size_t> locals = convertValuesToBins(vals);
    return localToGlobal(locals);
}

getBinSize()

fptype GooFit::BinnedDataSet::getBinSize

(

size_t

ivar

)

const

Get the size of a bin.

Definition at line 107 of file BinnedDataSet.cpp.

References GooFit::DataSet::observables.

Referenced by getBinCenter(), getBinContent(), getBinVolume(), and getNumWeightedEvents().

                                                  {
    return (observables.at(ivar).getUpperLimit() - observables[ivar].getLowerLimit()) / binsizes[ivar];
}

getBinVolume()

fptype GooFit::BinnedDataSet::getBinVolume

(

size_t

bin

)

const

Definition at line 111 of file BinnedDataSet.cpp.

References getBinSize(), and GooFit::DataSet::observables.

Referenced by getBinContent().

                                                   {
    fptype ret = 1;

    for(size_t i = 0; i < observables.size(); i++) {
        ret *= getBinSize(i);
    }

    return ret;
}

getDiminsions()

std::vector<size_t> GooFit::BinnedDataSet::getDiminsions ( ) const

inline

Get the size of each diminsion.

Definition at line 38 of file BinnedDataSet.h.

References getNumBins(), and getNumWeightedEvents().

{ return binsizes; }

getNumBins()

size_t GooFit::BinnedDataSet::getNumBins

(

)

const

Definition at line 135 of file BinnedDataSet.cpp.

Referenced by BinnedDataSet(), getDiminsions(), and makeBackgroundHistogram().

                                       {
    return std::accumulate(std::begin(binsizes), std::end(binsizes), 1, std::multiplies<size_t>());
}

getNumWeightedEvents()

fptype GooFit::BinnedDataSet::getNumWeightedEvents

(

)

const

This includes weights.

Definition at line 139 of file BinnedDataSet.cpp.

References getBinSize(), GooFit::DataSet::getName(), GOOFIT_INFO, and GooFit::DataSet::observables.

Referenced by getDiminsions().

                                                 {
    return std::accumulate(std::begin(binvalues), std::end(binvalues), 0);
}

setBinContent()

void GooFit::BinnedDataSet::setBinContent ( unsigned int  bin, fptype  value  )

inline

Definition at line 45 of file BinnedDataSet.h.

References setBinError().

Referenced by makeBackgroundHistogram().

{ binvalues.at(bin) = value; }

setBinError()

void GooFit::BinnedDataSet::setBinError	(	unsigned int	bin,
		fptype	value
	)

Definition at line 128 of file BinnedDataSet.cpp.

Referenced by setBinContent().

                                                              {
    if(0 == binerrors.size())
        binerrors.resize(binvalues.size());

    binerrors.at(bin) = error;
}

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The documentation for this class was generated from the following files:

• /home/travis/build/GooFit/GooFit/include/goofit/BinnedDataSet.h
• /home/travis/build/GooFit/GooFit/src/goofit/BinnedDataSet.cpp